Tracing-cabinet



(No Model.) 2 Sheets-Sheet 1. H. P. RICHARDS.

TRAGING CABINET.

No. 354,347. Patented Dec. 14, 1886.

(No Model.) 2 Sheets-Sheet 2.

H. P. RICHARDS. TRAOING CABINET.

No. 354,347. Patented Dec. 14, 1886;

3, KW W UNITED STATES PATENT Orrrcn.

HUBERT- P. RICHARDS, OF NEYVTON, MASSACHUSETTS.

TRAClNG-CABINET.

SPECIFICATION forming part of Letters Patent No. 354,347, dated December14, 1886. Application tiled April 23, 1886. Serial No. 199,5}76. (Nomodel.)

' which the following is a specification My invention relates toimprovements in tracing-cabinets; and the chief object of my inventionis to enable a long strip of tracing paper or cloth to be arrangedWithin the cabinet for holding it over the drawings or characters to betraced, while at the same time the pattern-strip can be changed withoutmoving the tracing-paper to bring any desired copy over the table fortracing.

In the accompanying drawings, Figure l is a plan View of mytracing-cabinet. Fig. 2 is a reverse plan View of the same. Fig. 3 is acentral longitudinal section thereof. Fig. 4 is a like view, showing aslightly modified construction; and Figs. 5 and 6 are like views,showing still other modifications.

A designates the case or frame, in the upper part of which is arrangedthe drawing board or table B, preferably, but not necessarily, roundedupon its upper surface. This table is secured by its side edge to thecase, while at each end there is a space for the passage of strips ofpaper. Within this case I arrange two rollers, O O, as shown in Figs. 3,4, and 5, and as indicated in broken lines in Fig.1. These rollers areprovided with operatinghandles a, Figs. 1 and 2, and to one of saidrollers I fasten one end of a pattern-sheet, D, while the opposite endof said sheet is secured to the other roller. A portion of the body ofthe sheet between the two rollers is drawn over the top of the drawingtable or board B, the, sheet passing through the spaces at the ends ofsaid board, as shown. This sheet may be made to contain any desiredletters, figures, characters, or objects to be copied, and by turningthe rollers any of said objects may be brought over the upper surface ofthe table.

The bottom of the frame A is made in the form of a slide, 1), so that itcan be withdrawn at pleasure. Within this frame is a chamber, 0, forcontaining one end of a roll of suitable tracing material, as tracingpaper or cloth, (I.

The end of this tracing material passes out of the chamber 0 through thespace at one end, and up over the table on the outside of thepattern-web, and then out through the frame over the clamp e, which ispivoted within one end of the frame, as indicated by the broken circlein Figs. 3, 4, and 5. By pushing the lower edge of this clamp inward toturn it on its axis the upper end is thrown outward, so that the end ofthe tracing material may be readily passed through the case above theclamp, and when the desired length has been drawn through, the clamp ispushed back into the position shown to hold that end of the paper.

It should be noticed that although the tracing material passes over thetable in the same direction as the pattern-web, either of said stripscan be moved independently oftheother. In Fig. 3 the upper side of thechamber 0 is represented as bearing down upon the upper edge of the sidewall, f, of the chamber 0, so as to slightly pinch the paper for holdingit taut over the upper surface of the board and pattern. In thisconstruction the wood or other material which forms the upper side ofthe chamber cshould be elastic enough,and so fast ened in place as topress upon the paper slightly. In Fig. 4 I have represented anangle-bar, g, as pivoted within the case, one arm of which is pressedupon by the spring h, so as to force the other arm of the angle lever orbar up against the paper and pinch it slightly by pressure toward theunder side of the table. If de sired, a hole, It, may be made in theslide b to admit a finger for pressure upon the angle-bar to release thefriction whenever it is desired to change the tracing material or thepattern.

In Fig. 5 I have represented a tr? nsverse bar, at, extending across thecase,around which bar the tracing material (I may be passed, in order tocreate friction for holding that end in place.

I have illustrated these various methodsof holding the paper, as I donot wish to confine myself to any particular means of holding either endof thetracing material. Instead of the clamp 6 other mechanism may beemployed for holding that end of the'paper.

In Fig. 6 the frame is designatedlby' A A.

The pattern-strip E is in the form of an end less belt, and passes overthe roller F, and between said roller and a spring-pressed roller, a.That portion of the belt which is not over the top of the table B canlie loosely folded or doubled under the board within the case, as shown.The roller n is supported in bearings which are attached to the spring0. The tracing material 61 is placed in the end of the case by removingthe end board, p. This tracing material passes up over the roller F,through the spaces at the ends of the table B, over the pattern-web andtable, and out through aslot over an elastic strip, 1, which holds thisend of the tracing material.

In either construction the pattern-strip may be changed without movingthe tracing mate rial to bring any desired pattern over the table. Anunused portion of the tracing material may be secured over the patternand the object traced thereon. The tracing material can then be drawnalong for tracing the same object a second time, or a second object, bymoving the pattern-strip, and so on until the material is used up, afterwhich the cabinet can be refnr nished with another roll of tracingmaterial. The cabinet is principally designed for childrens use, but itwill be found convenient for all purposes.

I am aware that prior patents show cases provided with rollers havingstrips of paper wound thereon in connection with a table over which thepaper was drawn, and means for preventing the rollers from accidentallymovingas, for instance, in fare recorders for ears, sketching andphonographic cases, and table easels; also, that other patents formanifold-writing tablets show cases having rollers over which two ormore strips of paper are drawn together, but not independently over atable in one direction, and other rollers set at right angles to thefirst rollers, to which carbonized paper is secured and extended overthe table from side to side. In one instance a sliding clamp is shownfor binding one end of the strips of paper to one end of the table. Allof said prior art is hereby disclaimed. By my improvement a very simpleand inexpensive tracing-cabinet is produced. The pattern web or strip isfree at all times to be manipulated to bring any desired pattern intoposition for tracing. The tracing material is not wound upon rollers,but merely stored within a chamber of the casing, and it extends overthe table in the same direction as the patternweb, but can be drawnalong, as may be desired, without moving said web. The outer end of thetracing material is clamped in place, while frictional devices bear uponit and hold it in check as it extends to the table.

I claim as my invention- A tracing-cabinet consisting of a case'orframe,the table or drawing-board secured to the upper part of said case, apattern web or strip extending over said table and 'into the case at theends of'said table, rollers for drawing said paper along to bring anydesired pat tern over said table, a chamber extending across the caseparallel to the rollers fordrawing the web, for holding a roll oftracing material within the case in position to have theouter end drawnover the table and pattern web, a frictional device for holding thetracing material in check as it extends to the table, and clampingmechanism to hold the outer end of said tracing material, allsubstantially as described, and for the purpose specified.

HUBERT P. RICHARDS. Vi t-nesses STERLING ELLIOTT, O. W. PAGE.

